Equestrian triple gold-medallist Natasha Baker said: 'I asked Kate how the children were and she said Charlotte is really enjoying her riding, which is great to hear and I said we may see her here on a line-up in 20 years time.'

'She emphasised that Charlotte has this passion about horses and although she doesn't echo it, she'll do her best to champion and encourage it.'

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Kate, who was wearing an Alexandra McQueen dress, also went on to reveal that George has shown an interest in fencing: 'George is fascinated by fencing but I think that's because of the face shields.

'Charlotte would have loved to be here but she'd be running riot,' Kate went on to say